I have installed a new PCI Gigabit Ethernet card, yet it is not working well. It works for a few minutes then suddenly stops running. I found logs in /var/log/syslog saying irq 18: nobody cared (try booting with the "irqpoll" option) and tried the option. Now it takes several hours before the network interface goes down. Running ifdown eth0 && ifup eth0 makes it up again, but it does not look like a permanent solution.

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OP are you still looking for an answer? If so, you may need to repost your question as this is flagged for closure. Regards,
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RingtailMar 27 '12 at 20:13